CamelBak Podium Big Chill 750 ML Cycling Bottle Double Wall Construction With Insulation Keeps Water Cold Twice As Long As Regular Sports Bottles Spill-Proof, Self-Sealing Jet Valve With Lockout Dial For Leak-Proof Transport Lightweight, Easy-Squeeze Design With Wide Mouth Opening For Easy Filling & Cleaning 100% BPA-Free, TruTaste Polypropylene With Hydroguard Lets You Taste Your Water, Not Your Bottle Nozzle Delivers The Right Flow To Quench Your Thirst; 750 ML Volume; Available In 5 Colours